OpenRA/OpenRA — pull request #7152 by ihptru (2014-12-19 11:24:00+00:00)
Title: notify user that his server does not have forwarded ports

![msop1](http://i.imgur.com/bWwOc7w.png)

based on https://github.com/OpenRA/OpenRAMasterServer/pull/29
and next commit to it with slightly modified response message to match this PR